DE69531025D1 - Accurate detection of a frequency error for bursts modulated with a predetermined symbol sequence - Google Patents

Accurate detection of a frequency error for bursts modulated with a predetermined symbol sequence

Info

Publication number
DE69531025D1
DE69531025D1 DE69531025T DE69531025T DE69531025D1 DE 69531025 D1 DE69531025 D1 DE 69531025D1 DE 69531025 T DE69531025 T DE 69531025T DE 69531025 T DE69531025 T DE 69531025T DE 69531025 D1 DE69531025 D1 DE 69531025D1
Authority
DE
Germany
Prior art keywords
symbol sequence
frequency error
predetermined symbol
accurate detection
bursts modulated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69531025T
Other languages
German (de)
Other versions
DE69531025T2 (en
Inventor
Toshikazu Miyashita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE69531025D1 publication Critical patent/DE69531025D1/en
Application granted granted Critical
Publication of DE69531025T2 publication Critical patent/DE69531025T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • H04L7/041Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/046Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/02Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0334Processing of samples having at least three levels, e.g. soft decisions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69531025T 1994-07-06 1995-07-05 Accurate detection of a frequency error for bursts modulated with a predetermined symbol sequence Expired - Fee Related DE69531025T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15457994 1994-07-06
JP6154579A JP2659060B2 (en) 1994-07-06 1994-07-06 Frequency error detection method

Publications (2)

Publication Number Publication Date
DE69531025D1 true DE69531025D1 (en) 2003-07-17
DE69531025T2 DE69531025T2 (en) 2004-05-06

Family

ID=15587307

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69531025T Expired - Fee Related DE69531025T2 (en) 1994-07-06 1995-07-05 Accurate detection of a frequency error for bursts modulated with a predetermined symbol sequence

Country Status (7)

Country Link
US (1) US5535249A (en)
EP (1) EP0691764B1 (en)
JP (1) JP2659060B2 (en)
CN (1) CN1080051C (en)
AU (1) AU684951B2 (en)
DE (1) DE69531025T2 (en)
HK (1) HK1010439A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5696797A (en) * 1994-07-22 1997-12-09 Motorola, Inc. Demodulator with baseband doppler shift compensation and method
JP3442228B2 (en) * 1996-08-29 2003-09-02 松下電器産業株式会社 Synchronous holding device
US6104767A (en) * 1997-11-17 2000-08-15 Telefonaktiebolaget Lm Ericsson Method and apparatus for estimating a frequency offset
JP3353724B2 (en) * 1998-11-11 2002-12-03 三菱マテリアル株式会社 Wireless communication device, wireless communication system, and communication control method
JP2002076992A (en) * 2000-09-05 2002-03-15 Nec Corp Frequency adjusting circuit
US6925136B1 (en) * 2001-08-29 2005-08-02 The United States Of America As Represented By The Secretary Of The Navy Simultaneous frequency and phase synchronizer
JP4829088B2 (en) * 2006-12-07 2011-11-30 オンセミコンダクター・トレーディング・リミテッド Signal processing circuit
EP2752739A4 (en) * 2011-08-30 2015-06-03 Nlt Technologies Ltd Electronic device, electrostatic capacitance sensor, and touch panel
US9270390B2 (en) 2014-03-28 2016-02-23 Olympus Corporation Frequency and phase offset compensation of modulated signals with symbol timing recovery
CN112054741B (en) * 2020-08-06 2022-06-03 深圳市杉川机器人有限公司 Motor control method and device, terminal equipment and storage medium

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887050A (en) * 1989-03-31 1989-12-12 Motorola, Inc. Frequency control apparatus and method for a digital radio receiver
JPH0817407B2 (en) 1989-06-21 1996-02-21 日本電気株式会社 Signal sequence detection method
DE69018897T2 (en) * 1989-06-21 1995-08-24 Nippon Electric Co Method for detecting a specific signal sequence that reduces the effects of multipath transmission.
CA2021361C (en) * 1989-07-17 1994-03-29 Hiroyasu Muto Quadrature demodulation of a data sequence following a particular signal sequence with a local reference carrier signal having a frequency different from a received carrier signal
JP2773562B2 (en) * 1992-07-28 1998-07-09 日本電気株式会社 Signal sequence detection method
US5255290A (en) * 1992-08-21 1993-10-19 Teknekron Communications System, Inc. Method and apparatus for combined frequency offset and timing offset estimation
KR960007811B1 (en) * 1992-10-19 1996-06-12 닛본덴기 가부시끼가이샤 Receiver
KR950004878B1 (en) * 1992-12-29 1995-05-15 재단법인 한국전자통신연구소 Frequcncy detecting method
US5473637A (en) * 1993-10-05 1995-12-05 Pacific Communication Sciences, Inc. Open-loop phase estimation methods and apparatus for coherent demodulation of phase modulated carriers in mobile channels

Also Published As

Publication number Publication date
CN1080051C (en) 2002-02-27
US5535249A (en) 1996-07-09
EP0691764A3 (en) 1998-08-12
EP0691764A2 (en) 1996-01-10
JPH0823358A (en) 1996-01-23
DE69531025T2 (en) 2004-05-06
CN1122980A (en) 1996-05-22
JP2659060B2 (en) 1997-09-30
EP0691764B1 (en) 2003-06-11
HK1010439A1 (en) 1999-06-17
AU684951B2 (en) 1998-01-08
AU2484995A (en) 1996-01-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee